A solar caculator is a caculator that uses solar power energy to work.
Mathematica
They are accounting calculators that are available at Staples or Office Max.
Any of the Texas Instruments would be great for construction because of their durability and long battery life.
No but if you google "Avanced Caculator" you should get some pretty nice caculators or check in the back
To solve specific problems
Operating systems are used in caculators. Operating systems act as a layer between applications and the hardware allowing for smooth operations between the two.
Some scientific caculators can convert degrees minutes and seconds into decimal degrees and vice versa as for example 60045'18'' = 60.755
Do a google search for due date caculators they can also give you information on each stage of pregnancy
UK mortgage caculators can give the rates in whatever currency you request. You simply choose this at the begining of your calculations to get the currency you desire. Options vary on the type of calculator you choose.
no but solar panels are in solar calculators
Graphing calculators are true to their name: they can graph out equaitions. Letting the calculator graph out equations is a lot easier than plotting and drawing your own graph, but you do not NEED a graphing calculator. Besides that, their functions are similar to other scientific caculators.
Some examples of words that start with "solar" are solarium, solar panel, solar system, and solar energy.